Never worry about losing a vital screw again. This comprehensive kit by Pachmayr has all the essentials screws that you might need for general gunsmithing projects.

These difficult to find screws are favored for their non-slip design. Packaged in a handy storage box with individual compartments for each size screw. Includes tweezers and a thread size gauge, which also doubles as a shortening jig used to grind a screw to a shorter length.